@function rem($px, $base:40) {
  @return ($px / $base) * 1rem;
}
@font-face {
  font-family: 'iconfont';
  /* project id 65905 */
  src: url("//at.alicdn.com/t/font_65905_gytzlirkm65.eot");
  src: url("//at.alicdn.com/t/font_65905_gytzlirkm65.eot?#iefix") format('embedded-opentype'), url("//at.alicdn.com/t/font_65905_gytzlirkm65.woff2") format('woff2'), url("//at.alicdn.com/t/font_65905_gytzlirkm65.woff") format('woff'), url("//at.alicdn.com/t/font_65905_gytzlirkm65.ttf") format('truetype'), url("//at.alicdn.com/t/font_65905_gytzlirkm65.svg#iconfont") format('svg');
}

em,
i {
  font-style: normal;
}

input::-webkit-input-placeholder {
  /* placeholder颜色  */
  color: #ccc;
  /* placeholder字体大小  */
  font-size: 12px;
}

.iconfont {
  font-family: 'iconfont';
}

* {
  margin: 0;
  padding: 0;
  word-break: break-all;
}

button,
input,
textarea {
  background: none;
  border: none;
  outline: none;
}

a {
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

li,
ul {
  list-style: none;
}

body {}

html {
  height: 100vh;
  font-size: 20px;
}